123540141 has 8 divisors (see below), whose sum is σ = 164773440. Its totient is φ = 82333472.

The previous prime is 123540127. The next prime is 123540149. The reversal of 123540141 is 141045321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123540141 - 2⁷ = 123540013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123540149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10456 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (20596680).

Almost surely, 2^123540141 is an apocalyptic number.

It is an amenable number.

123540141 is a deficient number, since it is larger than the sum of its proper divisors (41233299).

123540141 is an equidigital number, since it uses as much as digits as its factorization.

123540141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13315.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 123540141 is about 11114.8612676902. The cubic root of 123540141 is about 498.0458942236.

Adding to 123540141 its reverse (141045321), we get a palindrome (264585462).

The spelling of 123540141 in words is "one hundred twenty-three million, five hundred forty thousand, one hundred forty-one".